The 2003 Vaahteraliiga season was the 24th season of the highest level of American football in Finland. The regular season took place between May 31 and August 11, 2003.[1] The Finnish champion was determined in the playoffs and at the championship game Vaahteramalja XXIV the Turku Trojans won the Helsinki Roosters.
| Team | G | W | L | PTS | PF | PA | PD | |
|---|---|---|---|---|---|---|---|---|
| Helsinki Roosters | 10 | 10 | 0 | 20 | 527 | 82 | +445 | |
| Turku Trojans | 10 | 9 | 1 | 18 | 458 | 95 | +363 | |
| Seinäjoki Crocodiles | 10 | 7 | 3 | 14 | 284 | 194 | +90 | |
| Porvoo Butchers | 10 | 6 | 4 | 12 | 369 | 203 | +166 | |
| Pori Bears | 10 | 4 | 6 | 8 | 160 | 327 | -167 | |
| Vaasa Vikings | 10 | 2 | 8 | 4 | 119 | 349 | -230 | |
| Jyväskylä Jaguaarit | 10 | 2 | 8 | 4 | 117 | 368 | -251 | |
| Helsinki Wolverines | 10 | 0 | 10 | 0 | 72 | 448 | -416 |